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ROPS: Open
Serial Number: 77V17355
Stock Number: 030520
Description: 1981 Caterpillar D8K with Midwestern 583M hydraulic sideboom pipelayer equipment, 63 ton lifting, with CAT D342 6-cylinder turbocharged diesel engi...
Updated: Monday, October 05, 2026 03:46 pm
Location: Buenos Aires, Buenos Aires, Argentina
Seller: Techint International Construction
ROPS: Open
Serial Number: 77V14132
Stock Number: 030522
Description: 1980 Caterpillar D8K with Midwestern 583M hydraulic sideboom pipelayer equipment, 63 ton lifting, with CAT D342 6-cylinder turbocharged diesel engi...
Updated: Monday, October 05, 2026 03:46 pm
Location: Buenos Aires, Buenos Aires, Argentina
Seller: Techint International Construction
Hours: 8,600
ROPS: Open
Serial Number: 77V06731
Stock Number: 030524
Description: 1976 Caterpillar D8K with Midwestern 583M hydraulic sideboom pipelayer equipment, 63 ton lifting, with CAT D342 6-cylinder turbocharged diesel engi...
Updated: Monday, October 05, 2026 03:46 pm
Location: Buenos Aires, Buenos Aires, Argentina
Seller: Techint International Construction
Hours: 1,225
ROPS: Open
Serial Number: 77V3037
Stock Number: 030525
Description: 1975 Caterpillar D8K with Midwestern 583M hydraulic sideboom pipelayer equipment, 63 ton lifting, with CAT D342 6-cylinder turbocharged diesel engi...
Updated: Monday, October 05, 2026 03:46 pm
Location: Buenos Aires, Buenos Aires, Argentina
Seller: Techint International Construction
ROPS: Open
Serial Number: 54X00570
Stock Number: 17077
Engine Manufacturer: CATERPILLAR
Engine Model: 3306DI
Description: BULLDOZER PARA PARTES, CON MOTOR CATERPILLAR 3306DI A DIESEL, ADITAMENTO MARCA SUPERIOR, MODELO CPX-71, AÑO 2012
Updated: Tuesday, November 03, 2026 04:06 pm
Location: Cuauhtémoc, Chihuahua, Mexico
Seller: Maquinaria Wiebe Km 24
ROPS: Open
Serial Number: 16W319
Stock Number: 17197
Description: TOPADOR FRONTAL CATERPILLAR 571G PARA PARTES, CON MOTOR 3306 DE 200 HP, CON TURBO, TRANSMISION PS, MARCA EN HORAS 9,028, CON ADITAMENTO PIPELAYER ...
Updated: Tuesday, November 03, 2026 04:06 pm
Location: Cuauhtémoc, Chihuahua, Mexico
Seller: Maquinaria Wiebe Km 24
Horsepower: 300 HP
ROPS: Open
Serial Number: 77X10531
Stock Number: 17195
Engine Manufacturer: CATERPILLAR
Engine Model: D342
Description: CON MOTOR CATERPILLAR D342 DE 300HP, CON TURBO, TRANSMISION DD, ZAPATAS, PERNOS Y ESLABONES AL 95%, PESO 70,500 LBS
Updated: Tuesday, November 03, 2026 04:06 pm
Location: Cuauhtémoc, Chihuahua, Mexico
Seller: Maquinaria Wiebe Km 24
Hours: 238
ROPS: Open
Serial Number: 62A00071
Description:
Updated: Friday, August 14, 2026 09:20 am
Location: North Battleford, Saskatchewan, Canada
Seller: Spence Heavy Equipment Sales & Rentals
ROPS: None
Serial Number: 62A383
Description: Midwestern 561C All Hydraulic Pipelayer Sideboom, 20" double bar pads, hydraulic winches, 6 cyl Cat Diesel, Runs Great,
Updated: Monday, November 02, 2026 12:09 pm
Location: Woodland, California, USA
Hours: 7,000
ROPS: Open
Description: Runs, can go to work. I have several others for sale if you need pipelayers give me a call.
Updated: Thursday, November 05, 2026 01:58 pm
Location: Wichita Falls, Texas, USA
Seller: Garcia Grading & Holding LLC
Hours: 13,481
ROPS: Open
Serial Number: 92J433
Stock Number: 73CAT561PIPE
Description: nice machine, dual winches, runs and operates excellent. good U/C, *MACHINE HAS SET FOR A LONG TIME AND WILL NEED A FULL SERVICE AND GOING OVERGOIN...
Updated: Thursday, November 05, 2026 07:54 am
Location: Covington, Tennessee, USA
Seller: Don Baskin Truck Sales LLC
ROPS: Open
Description: Please Contact For Further Details
Updated: Monday, October 26, 2026 07:33 am
Location: Columbia, Maryland, USA
Seller: Energy Kinetics, LLC
Hours: 1,200
ROPS: None
Serial Number: 92J197
Stock Number: 172-24165
Description: Midwestern Hydraulic Conversion, Cat 3306 Diesel,newer rails
Located in Woodland California
Updated: Monday, November 02, 2026 12:09 pm
Location: Woodland, California, USA
ROPS: None
Serial Number: 54X763
Stock Number: 8841
Description: Hyd. Counterweight, 18' Boom,
Powershift Trans,
CAT 3306 DI
35k lbs obo
40k lift
Updated: Friday, October 30, 2026 01:12 pm
Location: Madera, California, USA
Seller: National Equipment, LLC
ROPS: None
Serial Number: 54X765
Stock Number: 8840
Description: Hyd Counterwight, 18' Boom,
CAT 3306 DI
Powershift Transmission,
35k lbs obo
40k lift
Updated: Friday, October 30, 2026 01:12 pm
Location: Madera, California, USA
Seller: National Equipment, LLC
Hours: 3,433
ROPS: Open
Serial Number: 54X00694
Description: Superior CPX Hydraulic Conversion, Boom of Choice
Updated: Monday, October 26, 2026 08:13 am
Location: Denver, Colorado, USA
Seller: Worldwide Machinery
Hours: 6,239
ROPS: Open
Serial Number: 54X00674
Description: Superior CPX Hydraulic Conversion, Boom of Choice-Two (2) pipelayers available for sale in excellent condition, very detailed records and histories.
Updated: Monday, October 26, 2026 08:13 am
Location: Lubbock, Texas, USA
Seller: Worldwide Machinery
Hours: 2,686
ROPS: Open
Serial Number: 54X00549
Description: 18FT MIDWESTERN SIDE BOOM. 3 LEVER CONTROL. 20IN SINGLE GROUSER TRACK PADS.
Updated: Tuesday, September 08, 2026 09:52 am
Location: Pittston Township, Pennsylvania, USA
Seller: LC Enterprise, LLC
ROPS: Open
Serial Number: 54X00544
Stock Number: 319
Description:
Updated: Friday, October 30, 2026 01:12 pm
Location: Madera, California, USA
Seller: National Equipment, LLC
ROPS: None
Serial Number: 54X00571
Stock Number: 8844
Description: Hyd Counterweight
3306 DI
35k lbs obo
40k lift
Updated: Friday, October 30, 2026 01:12 pm
Location: Madera, California, USA
Seller: National Equipment, LLC
Hours: 150
ROPS: Open
Serial Number: 54X00463
Stock Number: 561D Hydraulic PL
Description: 561D Hydraulic Pipelayer S/N 54X00463
NEW Challenger CPC-561 Hydraulic Conversion
40,000 lbs. capacity
Two speed load line winch
Si...
Updated: Tuesday, September 22, 2026 07:49 am
Location: Tulsa, Oklahoma, USA
Seller: Challenger Services
ROPS: Open
Stock Number: 93753
Description: WBM CANOPY, JOYSTICK BOOM CONTROLS, ENGINE COOLANT HEATER, 20" SINGLE GROUSE PADS WITH 2.' GROUSER HEIGHT, 20" SINGLE GROUSERS, RAIL HEIGHT 4", 20...
Updated: Monday, November 02, 2026 08:05 am
Location: Acheson, Alberta, Canada
Seller: Arrow-West Equipment Ltd.
ROPS: Open
Serial Number: 54X00502
Description: 35k lbs obo
40k lift
Updated: Friday, October 30, 2026 01:12 pm
Location: Madera, California, USA
Seller: National Equipment, LLC
Hours: 3,970
ROPS: Open
Serial Number: 54X00394
Description: 1979 Caterpillar 561D crawler pipelayer, CAT 3306 diesel engine, naturally aspirated, powershift, lever steering, 2007 Midwestern 561MMC hydraulic ...
Updated: Thursday, September 24, 2026 07:03 am
Location: Carbondale, Pennsylvania, USA
Seller: Old Forge Power Equipment Inc.
ROPS: Open
Serial Number: 54X406
Description: 2011 Midwestern M561 Hydraulic Conversion, 18 ft 5 in Midwestern Side Boom, Winch, Drawbar, 20" Track Shoes, Excellent Undercarriage!
Updated: Thursday, August 27, 2026 12:12 pm
Location: Womelsdorf, Pennsylvania, USA
Seller: WEACO EQUIPMENT
ROPS: Open
Serial Number: 54X00731
Stock Number: 561D Hydraulic PL
Description: 561D Hydraulic Pipelayer S/N 54X00731
Hydraulic conversion
40,000 lbs. capacity
OROPS
Two speed load line winch
Single speed boom winch
2...
Updated: Tuesday, September 22, 2026 07:49 am
Location: Tulsa, Oklahoma, USA
Seller: Challenger Services
ROPS: Open
Serial Number: 54X00667
Stock Number: 561D Hydraulic PL
Description: 561D Hydraulic Pipelayer S/N 54X00667
Hydraulic conversion
40,000 lbs. capacity
OROPS
Two speed load line winch
Single speed boom winch
...
Updated: Tuesday, September 22, 2026 07:49 am
Location: Tulsa, Oklahoma, USA
Seller: Challenger Services
ROPS: Open
Serial Number: 54X00355
Stock Number: 561D Hydraulic PL
Description: 561D Hydraulic Pipelayer S/N 54X00355
Challenger CPC-561 Hydraulic Conversion - 2013
40,000 lbs. capacity
OROPS
Two speed load line winch
Sing...
Updated: Tuesday, September 22, 2026 07:49 am
Location: Tulsa, Oklahoma, USA
Seller: Challenger Services
